Victoria Blom, porträtt. Foto: Niklas Björling

Victoria Blom


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Arbetar vid Psykologiska institutionen
Telefon 08-16 46 03
Besöksadress Frescati Hagväg 8
Rum 415 A
Postadress Psykologiska institutionen 106 91 Stockholm


I urval från Stockholms universitets publikationsdatabas
  • 2016. Pia Svedberg (et al.). European Journal of Public Health, 26, S1


    Work-home interference has been proposed as an important explanation for sickness absence (SA). Previous studies show mixed results, and have not accounted for genetics and shared everyday environment (familial factors), or investigated diagnosis specific SA. The aim was to study if work-home interference predicts SA due to stress-related mental diagnoses, or SA due to other mental diagnoses, among women and men, when adjusting for various confounders and familial factors.


    This prospective cohort study included 11,916 twins, 19-47 years (49% women).

    Data on work-to-home and home-to-work conflicts and relevant confounders were derived from a 2005 survey, and national register data on SA spells until 2013 were obtained. Odds Ratios (ORs) with 95% Confidence Intervals (CIs) were calculated. Discordant twin pair design was applied to adjust for familial factors.


    For women, each one unit increase in work-to-home and home-to-work conflicts was associated with SA due to stress-related mental diagnoses and to SA due to other mental diagnoses, when adjusting for sociodemographic factors (ORs 1.15-1.31). With further adjustments for work, health-related or familial factors, none of the associations remained. For men, each one unit increase in work-to-home conflicts was associated with SA due to stress-related diagnoses (ORs 1.23-1.35), independently of confounders.


    Work-to-home conflict was independently associated with future SA due to stress-related diagnoses among men only. Health and familial factors are important confounders to consider when researching work-home interference and SA, especially among women. Not including such confounders involves risking drawing incorrect conclusions.

  • 2016. Lisa Mather (et al.). Twin Research and Human Genetics 19 (6), 619-627

    Depression and anxiety are highly comorbid due to shared genetic risk factors, but less is known about whether burnout shares these risk factors. We aimed to examine whether the covariation between major depressive disorder (MDD), generalized anxiety disorder (GAD), and burnout is explained by common genetic and/or environmental factors. This cross-sectional study included 25,378 Swedish twins responding to a survey in 2005-2006. Structural equation models were used to analyze whether the trait variances and covariances were due to additive genetics, non-additive genetics, shared environment, and unique environment. Univariate analyses tested sex limitation models and multivariate analysis tested Cholesky, independent pathway, and common pathway models. The phenotypic correlations were 0.71 (0.69-0.74) between MDD and GAD, 0.58 (0.56-0.60) between MDD and burnout, and 0.53 (0.50-0.56) between GAD and burnout. Heritabilities were 45% for MDD, 49% for GAD, and 38% for burnout; no statistically significant sex differences were found. A common pathway model was chosen as the final model. The common factor was influenced by genetics (58%) and unique environment (42%), and explained 77% of the variation in MDD, 69% in GAD, and 44% in burnout. GAD and burnout had additive genetic factors unique to the phenotypes (11% each), while MDD did not. Unique environment explained 23% of the variability in MDD, 20% in GAD, and 45% in burnout. In conclusion, the covariation was explained by an underlying common factor, largely influenced by genetics. Burnout was to a large degree influenced by unique environmental factors not shared with MDD and GAD.

  • 2013. Victoria Blom (et al.). Forum för arbetslivsforskning (FALF) - Changes in Working Life

    Genetic influences on perceived demands and burnout are shown in previous studies, suggesting genetic and shared environmental influences may underlie the associations between work–home interference and burnout. The present study sets out to increase the currently limited understanding of the biological and social correlates of work–home interference (WHI) by investigating whether WHI is related to burnout while taking sex, age, children, and genetic and shared environmental factors into account. A total of 13 730 individuals, including 2223 complete twin pairs, from the Swedish Twin Registry were included in the study. The effects of work–home conflict (WHC) and home–work conflict (HWC) on burnout between- and within-pairs were analyzed with Linear Mixed Models with and without stratification by sex. The results showed significant main effects of WHC and HWC on burnout and co-twin control analyses suggested that shared environmental factors may be involved in the association between HWC and burnout in women. As regards WHC and burnout, genetic or shared environmental factors did not seem to be involved. Adjustment for age and children did not change the results. The present study contributes with new knowledge of the mechanisms involved in the associations between work–home interference and burnout.

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Senast uppdaterad: 2 februari 2021

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